Hour of Prayer
- Medium
- photogravure
- Dimensions
- image: 18.9 × 13.7 cm (7 7/16 × 5 3/8 in.) sheet: 29.2 × 22.4 cm (11 1/2 × 8 13/16 in.) mount: 38 × 27.9 cm (14 15/16 × 11 in.) mat: 63.7 × 47.1 cm (25 1/16 × 18 9/16 in.)
- Genre
- photograph
- Museum
- National Gallery of Art
